Convert GN visibility to lists.

Source/core/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/platform/platform_generated.gni")
 
-visibility = "//third_party/WebKit/Source/*"
+visibility = [ "//third_party/WebKit/Source/*" ]
 
 rel_blink_core_gen_dir = rebase_path(blink_core_output_dir, root_build_dir)
 
 # Compute the optimization level. The GYP code sets "optimize: max" which sets
 # speed-over-size optimization for official builds on Windows only. The GN's
 # build optimize_max config applies this optimization on all platforms, so
 # compute how to modify the config list to duplicate the GYP behavior.
 if (is_debug) {
   core_config_remove = [ "//build/config/compiler:no_optimize" ]
   core_config_add = core_config_remove  # NOP
@@ skipping 88 matching lines @@
   ]
 }
 
 # Note that this is a source set rather than a group, even though it has no
 # sources. A group would implicitly forward all direct dependent configs
 # through it, but we want to keep our internal targets'
 # direct_dependent_configs private and only forward some of them.
 #
 # GYP version: WebKit/Source/core/core.gyp:webcore
 source_set("core") {
-  visibility = "//third_party/WebKit/*"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ "//third_party/WebKit/*" ]
 
   exported_deps = [
     ":core_generated",
     "//skia",
     "//third_party/npapi",
     "//third_party/qcms",
     "//third_party/WebKit/Source/platform",
     "//third_party/WebKit/Source/wtf",
     "//url",
     "//v8",
@@ skipping 787 matching lines @@
   output_file = "$blink_core_output_dir/HTMLMetaElement.cpp"
 }
 
 # One-off scripts --------------------------------------------------------------
 
 # "generatePrivateScript" in make_core_generated from GYP.
 # FIXME: The implementation of Blink-in-JS is not yet mature.
 # You can use Blink-in-JS in your local experiment, but don't ship it.
 # crbug.com/341031
 action("make_core_generated_private_script") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make_private_script_source.py"
 
   inputs = [
     "../bindings/core/v8/PrivateScriptRunner.js",
     "html/HTMLMarqueeElement.js",
     "xml/DocumentXMLTreeViewer.js",
   ]
   outputs = [
     "$blink_core_output_dir/PrivateScriptSources.h",
   ]
 
   args = rebase_path(outputs, root_build_dir)
   args += rebase_path(inputs, root_build_dir)
 
   deps = make_core_generated_deps
 }
 
 action("make_core_generated_private_script_for_testing") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make_private_script_source.py"
 
   inputs = [
       "testing/PartialPrivateScriptTest.js",
       "testing/PrivateScriptTest.js",
   ]
   outputs = [
     "$blink_core_output_dir/PrivateScriptSourcesForTesting.h",
   ]
 
   args = rebase_path(outputs, root_build_dir)
   args += rebase_path(inputs, root_build_dir)
 
   deps = make_core_generated_deps
 }
 
 # "HTMLEntityTable" in make_core_generated from GYP.
 action("make_core_generated_html_entity_table") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "html/parser/create-html-entity-table"
 
   inputs = [
     "html/parser/HTMLEntityNames.in",
   ]
   outputs = [
     "$blink_core_output_dir/HTMLEntityTable.cpp",
   ]
 
   args = [ "-o" ] + rebase_path(outputs, root_build_dir) 
   args += rebase_path(inputs, root_build_dir)
 
   deps = make_core_generated_deps
 }
 
 # "MediaQueryTokenizerCodepoints" in make_core_generated from GYP.
 action("make_core_generated_media_query_tokenizer_codepoints") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make_mediaquery_tokenizer_codepoints.py"
 
   outputs = [
     "$blink_core_output_dir/MediaQueryTokenizerCodepoints.cpp",
   ]
 
   args = [
     "--output_dir", rel_blink_core_gen_dir,
   ]
 
   deps = make_core_generated_deps
 }
 
 # "UserAgentStyleSheets" in make_core_generated from GYP.
 action("make_core_generated_user_agent_style_sheets") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make-file-arrays.py"
 
   inputs = [
     "css/html.css",
     "css/quirks.css",
     "css/view-source.css",
     "css/themeChromium.css",
     "css/themeChromiumAndroid.css",
     "css/themeChromiumLinux.css",
     "css/themeChromiumSkia.css",
@@ skipping 20 matching lines @@
     [ "--namespace", "blink" ] +
     [ "--out-h=" + rebase_path(outputs[0], root_build_dir) ] +
     [ "--out-cpp=" + rebase_path(outputs[1], root_build_dir) ] +
     rebase_path(inputs, root_build_dir)
 
   deps = make_core_generated_deps
 }
 
 # "HTMLElementLookupTrie" in make_core_generated from GYP.
 action("make_core_generated_html_element_lookup_trie") {
-  visibility = ":make_core_generated"
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make_element_lookup_trie.py"
 
   input_file = "html/HTMLTagNames.in"
   inputs = scripts_for_in_files + [
     input_file,
     "../build/scripts/templates/ElementLookupTrie.cpp.tmpl",
     "../build/scripts/templates/ElementLookupTrie.h.tmpl",
   ]
   outputs = [
     "$blink_core_output_dir/HTMLElementLookupTrie.cpp",
@@ skipping 20 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }